Inventory - Additional Information (Detail) (USD $)	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Schedule of Inventory [Line Items]
Increase in Inventory	$ (859,000)	$ (2,274,000)
Production Cycle Term	Longer than one year
Product
Schedule of Inventory [Line Items]
Inventory relating to contracts having production cycles longer than one year	$ 0